package com.example.io.datajek.springbasics.movierecommendersystem.lesson9;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component
public class ContentBasedFilter implements Filter {
    //用于计数创建的实例
    private static int instances = 0;

    @Autowired
    private Movie movie;

    public ContentBasedFilter(Movie movie) {
        super();
        instances++;
        this.movie = movie;
        System.out.println("ContentBasedFilter constructor called");
    }

    public Movie getMovie() {
        return movie;
    }

    public static int getInstances() {
        return ContentBasedFilter.instances;
    }

    //    public ContentBasedFilter() {
//        super();
//        System.out.println("content-based filter constructor called");
//    }
//
//    //getRecommendations将一部电影作为输入，并返回类似电影的列表。
    public String[] getRecommendations(String movie) {

        //实现基于内容的过滤器的逻辑

        //返回电影推荐
        return new String[]{"Happy Feet", "Ice Age", "Shake Tale"};
    }
}
